Builder mechanism for spinning or winding machines



' June 1930. H. A LEONARD BUILDER MECHANISM FOR SPINNING OR WINDING MACHINES Filed April 9, 1929 2 Sheets-Sheet 1 BY w? ATTORNEY June 3, 1930. H. A. LEONARD 1,761,574

7 BUILDER MECHANISM FOR SPINNING OR WINDING MACHINES Filed April 9, 1929 2 Sheets-Sheet 2 /Nl ENTO/"?-' ATTORNEY Patented June 3, I930 UNITED STATES rarer crr cs HARRY A. LEONARD, or HOPEDALE, Massacrrusnrrs, ASSIGNOR TO DEAPER conr'o- RATION, or I-IOPED-ALE, MAssAcrInsnrrs, acearonarren or MAINE BnILnEn MECHANISM Fen srinmneen wrnnrne'ivra'cnmns Application filed April 9, 1929. Serial No. 353,750.

This invention relates to spinning or winding machines and is more particularly directed to the builder mechanism employed the entire width of the shed under proper.

tension.

Many devices have been invented for winding such reserve supply or bunch, as it is sometimes called, on the bobbins or receivers during the spinning or winding operation,'instances of which are found in the patents to Harry A. Leonard, No.. 1,412,-

808, April 11, 1922, and James V. Brown,

No. 1,571,155, January 26,1926.

In each of the patents to which reference has been made the bunch has been wound upon the yarn receiversor bobbins without traverse. satisfactory for some kinds or characters of yarn, but in other cases it is desirable'that the bunch shall be laid upon the receivers or bobbins with a traverse, and one of the objects of. the present invention is to pro- 'vide spinning or winding machines of the general character shown and described in the two atents mentioned with sim le and effective means for laying the bunch upon the filling carriers or receivers with a traverse. V i

In accordance with one aspect of the present invention, the bunch is wound upon the bobbins or filling carriers or receiverswith a relatively slow traverse in one direction and a relatively quick traverse in the opposite direction, and preferably the bunch will be laid upon the receivers or bobbins in 5 size and proportion suitable for subsequent use.

The invention and novel features thereof Wlll best be made clear from the following description and the accompanying drawings of one good form thereof.

Such formation of the bunch is r In the drawings:

Fig. 1 is a side elevation of a spinning or winding machine containing the present invention, some of the partsbeing omitted for clearness of illustration,

Fig. 2 is an enlarged detail-showing the position of parts during the bunchbuilding operation, someof the parts being broken away and others in section;

Fig. is a section on the line: 3-43 of Fig. 2; and

Fig. 4c is an enlarged detail showing the ratchet and trip device involved in the present embodiment of the invention. 7

'The spinning or winding machine. herein shown of the general type of that disclosed by the two patents mentioned, but

certain. features of the invention may be advantageously utilized in other characters of spinning or winding machines.

The machine frame 1 may be of usualconstruction, "and has extending longitudinally thereof between the end frames the spindle supporting rail 2 and the tie rail 3. The

spindle rail 2 is constituted to support one or more spindles for rotating yarn'receivers' 4, on which the yarn is to be wound. As-the' yarn is wound upon the receivers or bobbins 4, 11; is CllI'GClZQC]. thereto by yarn guiding means which, in the present instance, consist of a ring rail 5 carrying rings 6 onreceivers .or bobbins of a predetermined amount and the path of such traversing movement is gradually changed from near the basetowards the tip end of the yarn receivers .or bobbins, in order that the yarn may be laidby a filling wind having a service traverse, as usual in this class of machines. 1 1

. Extending downwardly from .the yarn guiding means or ring rail 5 is the lifter rod or rods8, of which there may be any suitable number, and the lower ends whereof rest upon a roll or stud 9 carried by an arm 10 pivotally mounted at 11 on a bracket 12 supported by the machine frame.

Extending upwardly from the arm 10 is the segment arm 13 to which is secured a flexible connection 14 under control of the builder mechanism.

Pivotally mounted at 15 is the builder arm 16 having a portion 17 provided with a roll or stud 18 which normally rests upon the periphery of the builder cam 19 under the weight of the ring rail and associated parts.

Mounted upon the builder arm is a screw shaft 20 having a collar or threaded nut 21 to which the end of the flexible connection 14 is secured, and the screw 20 is actuated to let back on the flexible connection 14 through a chain or flexible connection 22, as more fully shown and described in the Leonard patent above mentioned, and since these parts may be of the same general character as the corresponding parts of the Leonard patent, further detailed description thereof appears unnecessary.

Mounted on the machine frame for rotative movement is the cam shaft 23 to which is secured the builder cam 19 and also the worm gear 24, the construction being such that should the worm gear 24 be rotated, the builder cam 19 will likewise be rotated to impart through the builder mechanism con nected with the yarn guides a service traverse to lay the yarn upon the receivers hereinbefore described.

A worm shaft 25 carrying a worm 26 is mounted in a bearing 27 pivotally supported at 28 on an upwardly extending bracket or arm 29, and the worm shaft 25 receives its rotative movement from a suitable source of supply which as herein shown consists of a sprocket wheel 30 and sprocket chain 31.

The opposite end portion of the worm shaft 25 mounted in the bearing 32 which is supported by the arm 33 pivotally connected to the machine frame at 34, and secured to the hub portion of the arm or arms 33, as indicated in Fig. 1, is a foot lever 35, the downwardly extending portion 36 of which is conveniently located for engagement by the foot of the machine attendant. The construction is such that should the foot lever be depressed, the worm shaft 25 and perforce the worm 26 will be moved upwardly.

Rigidly connected with the arm or arms 33 is a lever 37 having a weight 38 which normally acts to depress the worm 26 or lower it. These parts may all be of the same general character as more fully shown and described in the Leonard patent.

Loosely supported by the cam shaft 23 is a segment 39, the hub portion 40 of which is shown as loosely mounted upon the cam shaft 23. The upper portion of the segment 39 has a lateral toothed extension 41 which overlies the teeth of the worm gear 24, as more clearly indicated in Fig. 3, the construction being such that should the worm 26 be raised and the segment be moved into position beneath the worm an d then the worm be lowered, it will engage the teeth of the segment and upon rotation of the worm effect rotative movement of the segment relatively to the cam shaft 23. These parts may be substantially as shown and described in the Brown patent above mentioned.

The segment 39 is normally under the infiuence of means tending to move the segment into position beneath the worm 26 when the worm is moved upwardly, and as shown in the present instance of the invention, such means may be constituted as a weighted arm 42 secured to the segment at 43. As hereinbefore stated, the toothed portion of the segment 41 overlies the worm gear 24, and to maintain the segment in inoperative position during the main service traverse, as indicated by dotted lines in Fig. 2, the left end portion of the segment, as shown, may rest upon a plain portion of collar 44 at the end of the worm. In these respects the construction may be substantially the same as that shown and described in the Brown patent.

In accordance with the purpose of the present invention, the hunch is to be laid upon the filling carriers or receivers with a traverse, and since the segment 39 constitutes the bunch building element, means are provided for periodically connecting and disconnecting the segment with the bunch builder cam, with the result that when the segment 39 is operativeiy connected with the builder cam, the latter will act through the train of mechanism between it and the yarn guides to give a slow traverse to the bunch windings in one direction, and when disconnected from the segment 39, the builder cam, being no longer connected with its actuating means, will rotate under the stress of the builder arm into its initial or starting position, as indicated Fig. 1, thereby laying the next winding of the bunch in a reverse direction with quick traverse.

Mounted upon the bunch builder segment 39 is a pawl 45, the lower end portion of which at 46 is widened for a purpose that will presently appear. The pawl is herc in shown as of the plunger type mounted in a casing 47 secured to the bunch builder segment 39, and bearing upon the upper end of the pawl 45 is a spring 43, the tension of which may be regulated by an adjusting device or screw 49. To limit the movement of the plunger pawl, the latter is in'ovided with a pin 50 extending into an elongated opening 51 in the casing 47, the construction being such that normally the pawl 45 will be yieldingly held in its lowered position, indicatedin Fig. 3, with permissive mo" ment upwardly against the tension of the spring 48. v Secured to the cam shaft 23 is the toothed wheel or ratchet 52, the hub portion 53 oi which may lie-appropriately connected to the cam shaft 23-by a pin or bolt 54.

Secured at the side or" theratchet wheel 52 is trip device for periodically disengag ing the pawl 45 from the teeth or" the ratchet. As herein shown, the trip device consists of the member 55 whichmay be appropriately secured toatixed part or hearing 56 by pins 57 orother appropriate securing means.

The trip device 55 has a seri s of trip members 58 having inclined leading edges As hereinbefore noted, the lower end portion of the pawl 45 is widened, with the result that it eiwages between the teeth of the ratchet wheel and extends laterally to ride up tae inclined surfers-e59 of the lined tripping device as the bunch builder se mcnt is moved under the actuation oi the worm 26.

The construction is such that vhen bunch builder 'segment39 has been released for movement into its bunch buildin posi tion by upward movement of the worm, the pawl will engage a tooth of the ratchet wheel 52, and as the bunch builder se nient moves in thedirection of the arrow, h 2, it will carry the pawl 45 and ratchet 52 witl it, thereby rotating the builder lVhen, however, the end of the pawl 45 contacts with and rides up one oi": the inclined sur- Citli faces 59 of the tripping device, the pawl will disengage the ratchet 52, thereby permitting the builder cam to move into its initial or starting position, as hereinbefor stated. g

The tripping device may comprise any suitable number of tripping portions 58, each of which is so constituted with reference to the teeth of the ratchet that it will serve to disconnect the pawl and ratchet peiodically during the movement of the bunch builder segment 39 under the actuation of the worm 26. l

When the bunch has been 'completedby' slow traverse in one direction under the control of the builder cam and wit-ha quick traverse in the opposite direction when the builder cam is released-from the segment, he segment assumes a position indicated by dotted lines in Fig. 2, at which timeit is desirable that all further automatic operation of the pawl shall cease in order that the windings may be completed by service trav erse. To this end the tripping device has an elongated lifting and suspending portion 60, Fig. 4, on whichthe pawl rests outot engagment with the ratchet teeth during service winding.

From the constructiondescribed as agood practical form otathe present invention it will be apparent that when a series of bob bins have been completed and the dofling operation takesplace, the machine attendant may depress the t-readle lever 35, thereby lifting the worm out of engagement-with the worm gear 24 and simultaneously releasing the segment 39 for movement to its position beneath the worm, so that when the worm is lowered by the machine attendant it'engages the teeth of the segment and the machine is thereupon started, with the result that on the first upward movement of the yarn guides the traverse will be under the control of the'builder cam, until the tripping device trips the pawl from engagementwith the ratchet wheel, whereupon the yarn stituting the bunch, and in accordance with. the PIQSQIlil'lIlVGI'ltlOIl, the bunch builder segment 39 is provided with a number of holes 61', Fig. 2,'in which. may be placed a stop pin 62 for engagement with a stop 63 to arrest movement of the bunch builder segment as it moves toits initial bunch building position.

What is claimed is:

1. In a spinning or Winding machine, the

combination of yarn receivers, yarn guiding means "for directing the yarn to the yarn receivers, traversingrmechanism including a main builder cam, operating means for rota-tin the main builder cam to yarn upon the receivers with service traverse, bunch. builder mechanism actuated by the operating means, and automatically acting devices for operatively connecting and disconnecting the bunch builder mechanism and main builder cam during the bunch building operation to cause thebunch to be wound with traverse under control of the main builder cam. I

2. Ina spinning or winding machine, the

combination of yarn receivers, yarn guides for directing-the yarn to the yarn receivers, a main builder cam, operating means for rotating the main builder cam to lay yarn upon the receivers. with service traverse, a bunch builder segment adapted to be actuated by the operating means, and means for automatically connecting and disconnecting the bunch bui der segment with the main builder cam at intervals during the bunch building operation that the bunch maybe wound upon the receivers with a traverse in two dlrections under control of the mam bullder cam.

3. In a spinning or winding machine, the

combination of ,yarn guides for directing yarn to yarn receivers, a main builder cam, a gear operatively connected thereto, a loosely mounted toothed segment, a worm movable into engagement with the gear for operating the main builder cam to lay yarn upon the receivers with service traverse and into engagement with the segment to build the bunch, and automatic means for periodically connecting and disconnecting the segment and main builder cam during the bunch'builder operation to build the bunch with traverse under control of the main builder cam.

4. In a spinning or winding machine, the combination of yarn guides for directing yarn to yarn receivers, a main builder cam, a gear operatively connected thereto, a loosely mounted toothed segment, a worm movable into engagement with the gear for operating the main builder cam to lay yarn upon the receivers with service traverse and into engagement with the segment to build the bunch, automatic means for connecting the segment and main builder cam to form the bunch with slow traverse in one direction and for then disconnecting the segment and main builder cam to free the latter for movement to initial position to form the bunch with a quick traverse in the opposite direction.

5. In a machine of the class described, the combination of yarn guides for directing yarn to yarn receivers, a main builder cam and its shaft, a gear on said shaft, a vertically movable worm for operating the gear and cam, means loosely mounted on said shaft and movable into and out of register with the worm upon raising and subsequ at lowering of the worm, and devices acting automatically to periodically connect and disconnect the main builder cam and said means when engaged with the worm to build the bunch with a slow traverse in one direction and a quick traverse in the opposite direction.

6. In a machine of the class described, the combination of yarn guides for directing yarn to yarn receivers, a main builder cam and cam shaft, a worm gear secured to the cam shaft for rotating it, a toothed segment loosely mounted on the cam shaft, a worm movable into operative relation with the worm gear to lay yarn upon the receivers with traverse and into operative engagement with the toothed segment to build the bunch, and means for operatively connecting and disconnecting the toothed segment and cam shaft during operation of the segment by the worm to build the bunch with traverse.

7. In a machine of the class described, the combination of a main builder cam shaft, a cam secured to the shaft, a bunch builder toothed segment loosely mounted on the cam shaft, a worm movable into engagement with the toothed segment for operating it, and means acting automatically during operation of the segment by the worm for periodically connecting and disconnecting the segment operatively with the builder cam to build the bunch with slow traverse in one direction and quick traverse in the opposite direction.

8. In a spinning or winding machine, the combination of a cam shaft, a main builder cam secured for rotative movement therewith, a builder arm bearing upon the builder cam and adapted to turn the builder cam to initial or starting position when free to such movement, a toothed bunch builder segment loosely mounted on the cam shaft, a worm movable into engagement with the toothed segment for building the bunch, a lock for connecting the segment and cam shaft to cause movement of the cam, and lock tripping means for tripping the lock periodically that the bunch may be laid with a slow traverse in one direction and a quick traverse in the opposite direction.

9. A machine of the class described having a builder mechanism, comprising, in combination, a cam shaft, a builder cam and worm gear secured to the shaft, a toothed segment loosely mounted on the shaft, a worm movable into engagement with the worm gear for rotating the builder cam to lay yarn upon yarn receivers with service traverse and into engagement with the toothed segment to build a bunch, a ratchet and pawl mechanism for operatively connecting the segment and builder cam to form the bunch winding with a relatively slow traverse, and tripping means for the ratchet and pawl mechanism to free the builder cam at the end of a slow traverse to lay the next winding of the bunch with a quick traverse.

10. A machine of the class described having a builder mechanism, comprising, in combination, a cam shaft, a builder cam and worm gear secured to the shaft, a toothed segment loosely mounted on the shaft, a worm movable into engagement with the worm gear for rotating the builder cam to lay yarn upon yarn receivers with service traverse and into engagement with the toothed segment to build a bunch, a ratchet and pawl mechanism for operatively connecting the segment and builder cam to form the bunch winding with a relatively slow traverse, tripping means for the ratchet and pawl mechanism to free the builder cam at the end of a slow traverse to lay the next winding of the bunch with a quick traverse, and means acting on completion of the bunch to inoperatively position the ratchet and pawl mechanism that the windings may be completed with service traverse.

11. A machine of the class described having a builder cam, a segment loosely mounted with respect to the builder cam, means for rotating the builder cam to lay winding with service traverse and for rotating the segment to build the bunch, and means automatically acting during rotation of thesegment to operatively connect and disconnect the segment and builder cam at intervals that the bunch may be formed with a relatively slow traverse in-one direction and a quick traverse in the opposite direction.

12. A machine of the class described having a builder cam, a segment loosely mounted with respect to the builder cam,

means for rotating the builder cam to lay winding with service traverse and for rotating the segment to build the bunch, a pawl carried by the segment, a ratchet connected to the builder cam for rotation therewith, and a fixed tripping device for periodically tripping the ratchet and pawl during rotation of the segment.

13. A machine of the class described having a builder cam, a segment loosely mounted with respect to the builder cam, means for rotating the builder cam to lay Vwinding with service traverse and for. ro-

tating the segment to build the bunch, a pawl carried'by the segment, a ratchet connected to the builder cam for rotation there with, a fixed tripping device for periodically tripping the ratchet and'pawl during rotation of the segment, and means acting on completion of the bunch to hold the ratchet and pawl out of engagement to com- 7 plete the windings by service traverse.

In testimony whereof, I have signed my' name to this specification. V

HARRY A. LEONARD. 

